{"id":"CVE-2021-4362","aliases":["EUVD-2021-34189","GHSA-v95r-22v9-3fc7"],"status":"published","title":"The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing...","description":"The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the kiwi_social_share_get_option() function called via the kiwi_social_share_get_option AJAX action in version 2.1.0. This makes it possible for unauthenticated attackers to read and modify arbitrary options on a WordPress site that can be used for complete site takeover. This was a previously fixed vulnerability that was reintroduced in this version.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01417,"percentile":0.73156,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2023-06-07T01:51:28Z","modified":"2026-06-17T04:19:34Z","products":[{"vendor":"wpkube","product":"kiwi_social_share"},{"vendor":"wpkube","product":"social sharing plugin – kiwi"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8148b6d0-190a-4b97-8af7-edd6943116d1?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://blog.nintechnet.com/wordpress-kiwi-social-sharing-plugin-fixed-critical-vulnerability/","tags":["x_transferred","Exploit"]},{"url":"https://wordpress.org/plugins/kiwi-social-share/#developers","tags":["x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4362"},{"url":"https://blog.nintechnet.com/wordpress-kiwi-social-sharing-plugin-fixed-critical-vulnerability"},{"url":"https://github.com/advisories/GHSA-v95r-22v9-3fc7"}],"sources":{"cve":[{"id":"CVE-2021-4362","description":"The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the kiwi_social_share_get_option() function called via the kiwi_social_share_get_option AJAX action in version 2.1.0. This makes it possible for unauthenticated attackers to read and modify arbitrary options on a WordPress site that can be used for complete site takeover. This was a previously fixed vulnerability that was reintroduced in this version.","status":"published","published":"2023-06-07T01:51:28.136Z","modified":"2024-12-28T00:55:32.558Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:33:08.045407Z"}],"euvd":[{"id":"EUVD-2021-34189","description":"The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the kiwi_social_share_get_option() function called via the kiwi_social_share_get_option AJAX action in version 2.1.0. This makes it possible for unauthenticated attackers to read and modify arbitrary options on a WordPress site that can be used for complete site takeover. This was a previously fixed vulnerability that was reintroduced in this version.","status":"published","published":"2023-06-07T01:51:28Z","modified":"2024-12-28T00:55:32Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:32.209772Z"}],"ghsa":[{"id":"GHSA-v95r-22v9-3fc7","title":"The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing...","description":"The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the kiwi_social_share_get_option() function called via the kiwi_social_share_get_option AJAX action in version 2.1.0. This makes it possible for unauthenticated attackers to read and modify arbitrary options on a WordPress site that can be used for complete site takeover. This was a previously fixed vulnerability that was reintroduced in this version.","status":"published","published":"2023-06-07T03:30:22Z","modified":"2024-04-04T04:38:25Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:56:25.511354Z"}],"nvd":[{"id":"CVE-2021-4362","description":"The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the kiwi_social_share_get_option() function called via the kiwi_social_share_get_option AJAX action in version 2.1.0. This makes it possible for unauthenticated attackers to read and modify arbitrary options on a WordPress site that can be used for complete site takeover. This was a previously fixed vulnerability that was reintroduced in this version.","status":"published","published":"2023-06-07T02:15:14.42Z","modified":"2026-06-17T04:19:34.773Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}